# std::logical_and<void>

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< cpp‎ | utility‎ | functional

Defined in header `<functional>` |  |
template<> class logical_and<void>; |  | (since C++14)

std::logical_and<void> is a specialization of std::logical_and with parameter and return type deduced.

### Nested types

Nested type | Definition
`is_transparent` | unspecified

### Member functions

operator() | applies `operator&&` to lhs and rhs (public member function)

## std::logical_and<void>::operator()

template< class T, class U > constexpr auto operator()( T&& lhs, U&& rhs ) const -> decltype(std::forward<T>(lhs) && std::forward<U>(rhs)); |  |

Returns the result of lhs && rhs.

### Parameters

lhs, rhs | - | values to logical AND

### Return value

The result of lhs && rhs.

### Example

| This section is incomplete Reason: no example

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